quality and performance of mac headers?
If you get a deal on a used set of MACs, then go for it. If you're buying new, it's about the same amount of $ for longtubes.
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If you get a deal on a used set of MACs, then go for it. If you're buying new, it's about the same amount of $ for longtubes.
The bolded above is the answer. They are a great header but if you are not getting a GREAT deal get longtubes.
Search for my dyno thread, I made 400RWHP with MACs and a TR230 cam with stock heads.






